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All Patents in class 417
Patents 211 - 225 of 251
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1,830,424Nov. 03, 1931E.J. CodnerLubricator for Pumpstool lubricators
1,868,519Jul. 26, 1932A.A. BreuerPortable suction cleaner
1,904,115Apr. 18, 1933C.F. BaconHydraulic jack
1,911,471May 30, 1933E.P. SacreyCooling fan for electric motor operated toolshandheld routers
1,989,891Feb. 05, 1935C.G. SpradoFuel Injection Deviceoil engines
2,013,478Sep. 03, 1935E.C. ReadLubricating system
2,115,569Apr. 26, 1938S.A. BrownMounting meansmotor mounts
2,138,194Nov. 29, 1938E.M. PfauserHydraulic Pumphydraulic pumps
2,172,135Sep. 05, 1939A.A. BreuerSuction cleaner motor constructionelectrical devices
2,181,701Nov. 28, 1939H.E. LingenbrinkInjectorfeedwater apparatus
2,214,257Sep. 10, 1940E.M. PfauserHydraulic Power Unit
2,248,249Jul. 08, 1941I.P. PedrickInjectorfeedwater apparatus
2,255,984Sep. 16, 1941E.M. PfauserHydraulic Pump Systemhydraulic pumps
2,277,256Mar. 24, 1942E. PfauserHydraulic Apparatus
2,299,492Oct. 20, 1942E.M. PfauserPump Assemblyhydraulic pumps
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